BLUE EMITTING TRIS (8-OXOQUINOLINE) ALUMINUM (III) (AlQ3)

摘要

Process for the preparation of the facial isomer of tris(8-oxoquinoline)aluminum(III) (Alq3), comprising the step of heating alpha-Alq3 in solid phase at a temperature equal to or higher than 350°C but lower than 420°C, to obtain a mixture of gamma -Alq3 and delta-Alq3 .